{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Anatomy"], "input": "The sulfhydryl group with a pK value of 6 . 7 was shown to belong to Cys - 32 by labeling thioredoxin with [ 14C ] iodoacetic acid followed by complete alkylation with [ 3H ] iodoacetate and amino acid sequence analysis of peptides from the active center ."}
{"Anatomy": []}